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Denver, United States
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5 of 84Avalanche Warning
AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CE...
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below. * WHERE...The Denver metro, including eastern Bo...
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below Sunday night into Monday morning. * WHERE...Brigg...
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below Sunday night into Monday morning. * WHERE...The e...
Avalanche Advisory
SABCO THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CEN...
Past Weather Alerts for Denver
Avalanche Warning
AVWBOU THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. AVALANCHE WARNING IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY *WHAT Heavy snow and strong winds will result in HIGH (4 of 5) avalanche danger. *WHEREthe Flat Tops, Park Range, Grand Mesa, Elkhead Mountains, Gore Range, Sawatch, West Elk, Elk Mountains, and San Juan Mountains. *WHEN Expect very dangerous avalanche conditions to begin on Tuesday evening and last through Thursday. *IMPACTS Large and dangerous avalanches will be easy to trigger. Large avalanches will run naturally. *PRECAUTION/PREPAREDNESS ACTIONS Travel in backcountry avalanche terrain is not recommended from Tuesday evening through Friday. Avoid travel on and under slopes with a slope angle steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below. * WHERE...The Denver metro, including eastern Boulder County, and south into the Palmer Divide, including Castle Rock and Larkspur. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills could result in hypothermia or frostbite if precautions are not taken.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below Sunday night into Monday morning. * WHERE...Briggsdale, Fort Morgan, Byers, Limon, Southern Lincoln County, Sterling, Akron, Julesburg, and Holyoke. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills could result in hypothermia or frostbite if precautions are not taken.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below Sunday night into Monday morning. * WHERE...The eastern plains, including Fort Morgan, Julesburg, Akron and Limon. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills as low as 23 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Avalanche Advisory
SABCO THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. ...SPECIAL AVALANCHE ADVISORY IN EFFECT UNTIL 5 PM SUNDAY... *WHAT...A winter storm will dramatically change avalanche conditions, making it easy for backcountry travelers to trigger dangerous avalanches this weekend. Avalanche conditions this weekend will be more dangerous over more of Colorado than previous weekends. *WHERE...Portions of the Front Range, Summit County, the Gore Range and Vail area, Elk Mountains, Grand Mesa, Monarch, most of the San Juan Mountains, and the Sangre de Cristo Range. *WHEN...Through Sunday evening *IMPACTS...Backcountry travelers can easily trigger large avalanches in the mentioned areas. Some avalanches may be triggered remotely. *PRECAUTION/PREPAREDNESS ACTIONS... Consider these abnormal conditions in your travel plans and choose a route that avoids snow-covered avalanche terrain. You can find more detailed information at colorado.gov/avalanche
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below Sunday night into Monday morning. * WHERE...The eastern plains each night, including Fort Morgan, Julesburg, Akron and Limon. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills as low as 23 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 23 below Sunday night into Monday morning. * WHERE...Briggsdale, Fort Morgan, Byers, Limon, Southern Lincoln County, Sterling, Akron, Julesburg, and Holyoke. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills as low as 23 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 22 below expected Friday night, as low as 15 below Saturday night, and as low as 22 below Sunday night. * WHERE...The eastern plains each night, including Fort Morgan, Julesburg, Akron and Limon. * WHEN...Until 9 AM MST Monday. * IMPACTS...The dangerously cold wind chills as low as 22 below zero could cause frostbite on exposed skin in 30 minutes or less.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations between 4 and 9 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions will impact the Friday evening and Saturday commutes, including ski traffic along the I-70 mountain corridor and US-40 over Berthoud Pass.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 21 below. * WHERE...The northeast and east central plains of Colorado, including Briggsdale, Fort Morgan, Byers, Limon, Hugo, Sterling, Akron, Julesburg, and Holyoke. * WHEN...Until 9 AM MST Sunday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in 30 minutes or less.
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 5 and 11 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 11 AM this morning to 5 PM MST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions will impact the Friday evening and Saturday commutes, including ski traffic along the I-70 mountain corridor and US-40 over Berthoud Pass.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 20 below expected. * WHERE...The northeast and east central plains of Colorado, including Briggsdale, Fort Morgan, Byers, Limon, Hugo, Sterling, Akron, Julesburg, and Holyoke. * WHEN...From 3 AM Friday to 9 AM MST Sunday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in 30 minutes or less.
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 4 and 10 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 11 AM Friday to 5 PM MST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions will impact the Friday evening and Saturday commutes, including ski traffic along the I-70 mountain corridor and US-40 over Berthoud Pass.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...The Southern Front Range Foothills. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 45 mph. * WHERE...Castle Rock. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday morning commute.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday morning commute.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park, the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 11 AM MST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Thursday evening and Friday morning commutes.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 40 mph. * WHERE...Castle Rock. * WHEN...Until 11 AM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions will impact the Thursday evening and Friday morning commutes.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations between 3 and 7 inches. * WHERE...The Southern Front Range Foothills. * WHEN...Until 11 AM MST Friday. * IMPACTS...Travel could be difficult.
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible, with localized higher amounts. Winds could gust as high as 40 mph. * WHERE...Palmer Divide. * WHEN...From Thursday morning through Friday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Thursday evening and Friday morning commutes.
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 4 and 10 inches, with localized higher amounts at peaks. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park, the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 11 PM this evening to 11 AM MST Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Thursday morning and evening commutes.
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 6 and 10 inches, with localized higher amounts. * WHERE...The Southern Front Range Foothills. * WHEN...From 5 AM Thursday to 11 AM MST Friday. * IMPACTS...Travel could be very difficult.
Red Flag Warning
* AFFECTED AREA...Fire Weather Zones 214, 216 and 241. * TIMING...From 10 AM this morning to 5 PM MST this afternoon. * WINDS...Southwest 10 to 20 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Red Flag Warning
The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 5 PM MST Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 216, and 241. * TIMING...From 10 AM to 5 PM MST Sunday. * WINDS...Southwest 15 to 25 mph, with gusts up to 40 mph. The strongest winds will occur in the foothills and South Park. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Fire Weather Watch
* AFFECTED AREA...Fire Weather Zone 239. * TIMING...From Sunday morning through Sunday afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph near the base of the foothills. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Fire Weather Watch
* AFFECTED AREA...Fire Weather Zones 214, 216, 239, 240 and 241. * TIMING...From Sunday morning through Sunday afternoon. * WINDS...Southwest 10 to 20 mph with gusts 30 to 45 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 50 mph. * WHERE...Northern Front Range Mountains including Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions.
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to three inches. Winds gusting as high as 40 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel will be hazardous through the morning hours.
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 4 and 12 inches, with the heavier amounts north of I-70. Winds gusting as high as 45 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 11 AM Saturday to 11 AM MST Sunday. Snow will spread southward across the Front Range Mountains and Summit County Saturday afternoon and evening, with the heaviest snow expected to fall Saturday night. * IMPACTS...Travel will be hazardous, and may be difficult at times.
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 4 and 12 inches. Winds gusting as high as 45 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 11 AM Saturday to 11 AM MST Sunday. * IMPACTS...Travel could be very difficult.
Red Flag Warning
...CRITICAL FIRE WEATHER TODAY... .Near record temperatures today, combined with another period of gusty westerly winds in and near the Front Range foothills will lead to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Red Flag Warning
...CRITICAL FIRE WEATHER TODAY... .Near record temperatures today, combined with another period of gusty westerly winds in and near the Front Range foothills will lead to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM this morning to 5 PM MST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...From 8 AM this morning to 5 PM MST this afternoon. * WINDS...West 20 to 30 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Fire Weather Watch
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE AGAIN MONDAY... .Near record temperatures on Monday, combined with another period of gusty westerly winds across the Front Range foothills will lead to elevated to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. * AFFECTED AREA...Fire Weather Zones 214, 215 and 216. * TIMING...From Monday morning through Monday afternoon. * WINDS...West 20 to 30 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Fire Weather Watch
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE AGAIN MONDAY... .Near record temperatures on Monday, combined with another period of gusty westerly winds across the Front Range foothills will lead to elevated to critical fire weather conditions, especially from the Boulder county foothills south into South Park and the Palmer Divide. The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Monday morning through Monday afternoon. * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From Monday morning through Monday afternoon. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Winter Weather Advisory
* WHAT...Snow and blowing snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 50 mph. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions, especially over the high mountain passes.
Winter Weather Advisory
* WHAT...Snow and blowing snow expected. Total snow accumulations ranging from 2-6 inches in the I-70 mountain corridor to 3-8 inches in the northern tier of mountains. Up to 12 inches or more can be expected in the Park Range north of Rabbit Ears Pass. Winds gusting as high as 60 mph, strongest early in the event. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until midnight MST tonight. * IMPACTS...Travel could be difficult across the mountain passes, especially through early this afternoon when the bulk of the snow will fall.
Winter Weather Advisory
* WHAT...Snow and blowing snow expected. Total snow accumulations ranging from 2-6 inches in the I-70 mountain corridor to 3-8 inches in the northern tier of mountains. Up to 12 inches or more can be expected in the Park Range north of Rabbit Ears Pass. Winds gusting as high as 60 mph, strongest early in the event. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until midnight MST Saturday Night. * IMPACTS...Travel could be difficult across the mountain passes, especially late tonight through early Saturday afternoon when the bulk of the snow will fall.
Winter Weather Advisory
* WHAT...Snow and blowing snow expected. Total snow accumulations 3 to 8 inches, except 12 inches or more in the Park Range. Winds gusting as high as 60 mph, strongest early in the event. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From midnight tonight to midnight MST Saturday Night. * IMPACTS...Travel could be very difficult across the mountain passes, especially late tonight through early Saturday afternoon when the bulk of the snow will fall.
Red Flag Warning
...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT... West west winds of 20-35 mph with gusts as high as 60 mph in wind prone areas near the base of the foothills will continue into this evening. They will also be spreading east onto the nearby adjacent plains and I-25 Corridor through late evening and overnight. While the Particularly Dangerous Situation for the foothills of Boulder and northern Jefferson Counties has eased, Red Flag conditions will remain in place as we stay in a near record warm, dry, and windy airmass along the Front Range through midnight. In fact, strong, gusty winds will persist through much of the night with only a slow improvement in humidity values. Thus, near critical Red Flag conditions will occur into early Saturday morning. * AFFECTED AREA...Fire Weather Zones 238, 240, 241, 242 and 243. * TIMING...Until midnight MST tonight. * WINDS...West 15 to 25 mph with gusts up to 50 mph west of I-25. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Red Flag Warning
...THIS IS A PARTICULARLY DANGEROUS SITUATION FOR IN AND IMMEDIATELY ADJACENT TO THE FOOTHILLS, BETWEEN 5500 AND 9000 FEET, FOR BOULDER AND JEFFERSON COUNTIES ON FRIDAY... Strong west winds of 30-40 mph with gusts as high as 85 mph in the foothills of Boulder and northern Jefferson Counties will continue until early evening. Relative humidity values had dropped into the upper single digits and lower teens. Thus, the Particularly Dangerous Situation will remain in place til around 5-6 pm, with only a slow improvement thereafter as winds slowly weaken. Red Flag conditions, however, will persist through the rest of the evening as we remain in a near record warm, dry, and windy airmass along the Front Range through midnight. In fact, strong, gusty winds will persist through much of the night with only a slow improvement in humidity values. Thus, near critical Red Flag conditions will occur into early Saturday morning. While most of the Denver metro area has seen lighter winds prevail most of the day, a period of strong, gusty winds is expected to develop this evening and likely last past midnight, producing Red Flag conditions there. * THIS IS A PARTICULARLY DANGEROUS SITUATION FOR LOCATIONS ABOVE 5,500 FEET IMMEDIATELY ADJACENT TO THE BOULDER AND NORTHERN JEFFERSON COUNTY FOOTHILLS. * AFFECTED AREA...Fire Weather Zone 239. * TIMING...Until midnight MST tonight. * WINDS...West 25 to 35 mph with gusts up to 65 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a fast moving wildfire.
Red Flag Warning
...THIS IS A PARTICULARLY DANGEROUS SITUATION FOR IN AND IMMEDIATELY ADJACENT TO THE FOOTHILLS, BETWEEN 5500 AND 9000 FEET, FOR BOULDER AND JEFFERSON COUNTIES ON FRIDAY... Strong west winds of 30-40 mph with gusts as high as 85 mph in the foothills of Boulder and northern Jefferson Counties will continue until early evening. Relative humidity values had dropped into the upper single digits and lower teens. Thus, the Particularly Dangerous Situation will remain in place til around 5-6 pm, with only a slow improvement thereafter as winds slowly weaken. Red Flag conditions, however, will persist through the rest of the evening as we remain in a near record warm, dry, and windy airmass along the Front Range through midnight. In fact, strong, gusty winds will persist through much of the night with only a slow improvement in humidity values. Thus, near critical Red Flag conditions will occur into early Saturday morning. While most of the Denver metro area has seen lighter winds prevail most of the day, a period of strong, gusty winds is expected to develop this evening and likely last past midnight, producing Red Flag conditions there. * THIS IS A PARTICULARLY DANGEROUS SITUATION FOR THE FRONT RANGE FOOTHILLS. * AFFECTED AREA...Fire Weather Zones 215 and 216. * TIMING...Until midnight MST tonight. * WINDS...West 25 to 40 mph with gusts up to 85 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a fast moving wildfire.
Red Flag Warning
...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT... West west winds of 20-35 mph with gusts as high as 60 mph in wind prone areas near the base of the foothills will continue into this evening. They will also be spreading east onto the nearby adjacent plains and I-25 Corridor through late evening and overnight. While the Particularly Dangerous Situation for the foothills of Boulder and northern Jefferson Counties has eased, Red Flag conditions will remain in place as we stay in a near record warm, dry, and windy airmass along the Front Range through midnight. In fact, strong, gusty winds will persist through much of the night with only a slow improvement in humidity values. Thus, near critical Red Flag conditions will occur into early Saturday morning. * AFFECTED AREA...Fire Weather Zone 239. * TIMING...Until midnight MST tonight. * WINDS...West 25 to 35 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.